I have an LPC11u68 LpcExpresso board and I have uploaded the attached cpp file (via creating a new project and verifying it runs correctly). My program wishes to hold a pin low even through power cycles of the LPC board. As you can see from the attached sketch I have put a pulldown via pin muxing on pin 1_18 and I tell the system to make it output low.
The problem is, when I power up the board there is a very brief period where the pin goes high just as the power goes high, then the pin goes low as it should. Is there a way to keep that pin low even during power application to the board? It is a requirement for a project I am working on.
In the attached scope shot, the (Yellow) Channel 1 is pin 1_18 and the (Blue) Channel 2 is the 3.3V line to show when power is applied.
Thank you for your help,